./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-race-challenges/thread-join-array-const-race-2.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/thread-join-array-const-race-2.yml/witness.graphml --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 194c01fd Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/pthread-race-challenges/thread-join-array-const-race-2.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/thread-join-array-const-race-2.yml/witness.graphml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.5-dev-194c01f-m [2024-10-29 15:23:52,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:23:52,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:23:52,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:23:52,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:23:52,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:23:52,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:23:52,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:23:52,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:23:52,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:23:52,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:23:52,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:23:52,692 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:23:52,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:23:52,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:23:52,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:23:52,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:23:52,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:23:52,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:23:52,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:23:52,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:23:52,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:23:52,700 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:23:52,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:23:52,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:23:52,701 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:23:52,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:23:52,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:23:52,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:23:52,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:23:52,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:23:52,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:23:52,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:23:52,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:23:52,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:23:52,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:23:52,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:23:52,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:23:52,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:23:52,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:23:52,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:23:52,704 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:23:52,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:23:52,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:23:52,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:23:52,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:23:52,912 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:23:52,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-race-challenges/thread-join-array-const-race-2.i [2024-10-29 15:23:54,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:23:54,423 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:23:54,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/thread-join-array-const-race-2.i [2024-10-29 15:23:54,434 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b1b1ec8a/985f7d68486849e793fc384e46581d9f/FLAGf3894abf8 [2024-10-29 15:23:54,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b1b1ec8a/985f7d68486849e793fc384e46581d9f [2024-10-29 15:23:54,450 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:23:54,451 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:23:54,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/thread-join-array-const-race-2.yml/witness.graphml [2024-10-29 15:23:54,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:23:54,507 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:23:54,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:23:54,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:23:54,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:23:54,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:54" (1/2) ... [2024-10-29 15:23:54,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5f9d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:54, skipping insertion in model container [2024-10-29 15:23:54,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:54" (1/2) ... [2024-10-29 15:23:54,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13c87516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:54, skipping insertion in model container [2024-10-29 15:23:54,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:23:54" (2/2) ... [2024-10-29 15:23:54,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5f9d49 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54, skipping insertion in model container [2024-10-29 15:23:54,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:23:54" (2/2) ... [2024-10-29 15:23:54,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:23:54,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:23:54,857 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:23:54,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:23:54,938 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:23:54,938 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54 WrapperNode [2024-10-29 15:23:54,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:23:54,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:23:54,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:23:54,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:23:54,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:54,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:54,984 INFO L138 Inliner]: procedures = 158, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-10-29 15:23:54,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:23:54,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:23:54,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:23:54,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:23:54,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:54,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:54,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:54,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:55,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:55,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:55,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:55,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:55,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:23:55,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:23:55,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:23:55,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:23:55,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (1/1) ... [2024-10-29 15:23:55,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:23:55,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:23:55,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-29 15:23:55,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-29 15:23:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-29 15:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 15:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-29 15:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-29 15:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-29 15:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-29 15:23:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-29 15:23:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-29 15:23:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:23:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:23:55,085 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 15:23:55,244 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:23:55,248 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:23:55,432 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:23:55,433 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:23:55,448 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:23:55,448 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-29 15:23:55,452 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:55 BoogieIcfgContainer [2024-10-29 15:23:55,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:23:55,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:23:55,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:23:55,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:23:55,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:23:54" (1/4) ... [2024-10-29 15:23:55,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562c4ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:23:55, skipping insertion in model container [2024-10-29 15:23:55,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:23:54" (2/4) ... [2024-10-29 15:23:55,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562c4ded and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:23:55, skipping insertion in model container [2024-10-29 15:23:55,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:54" (3/4) ... [2024-10-29 15:23:55,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562c4ded and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:23:55, skipping insertion in model container [2024-10-29 15:23:55,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:55" (4/4) ... [2024-10-29 15:23:55,458 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-array-const-race-2.i [2024-10-29 15:23:55,458 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:23:55,473 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:23:55,474 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-29 15:23:55,474 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:23:55,516 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-29 15:23:55,535 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:23:55,547 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 77 transitions, 161 flow [2024-10-29 15:23:55,618 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 741 states, 726 states have (on average 1.9517906336088153) internal successors, (1417), 740 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:55,645 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:23:55,652 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bb4a9ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:23:55,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-29 15:23:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 741 states, 726 states have (on average 1.9517906336088153) internal successors, (1417), 740 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:23:55,661 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:55,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:55,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-10-29 15:23:55,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:55,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1063094525, now seen corresponding path program 1 times [2024-10-29 15:23:55,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:55,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053095478] [2024-10-29 15:23:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:55,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:55,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053095478] [2024-10-29 15:23:55,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053095478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:55,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:55,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:23:55,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843457789] [2024-10-29 15:23:55,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:55,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:23:55,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:55,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:23:55,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:23:55,860 INFO L87 Difference]: Start difference. First operand has 741 states, 726 states have (on average 1.9517906336088153) internal successors, (1417), 740 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:55,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:55,900 INFO L93 Difference]: Finished difference Result 1132 states and 2161 transitions. [2024-10-29 15:23:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:23:55,909 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-29 15:23:55,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:55,921 INFO L225 Difference]: With dead ends: 1132 [2024-10-29 15:23:55,922 INFO L226 Difference]: Without dead ends: 691 [2024-10-29 15:23:55,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:23:55,928 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:55,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:23:55,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-10-29 15:23:56,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2024-10-29 15:23:56,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 678 states have (on average 1.8908554572271385) internal successors, (1282), 690 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1282 transitions. [2024-10-29 15:23:56,012 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1282 transitions. Word has length 22 [2024-10-29 15:23:56,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:56,012 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 1282 transitions. [2024-10-29 15:23:56,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1282 transitions. [2024-10-29 15:23:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:23:56,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:56,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:56,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:23:56,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-10-29 15:23:56,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:56,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1063124316, now seen corresponding path program 1 times [2024-10-29 15:23:56,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:56,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847354091] [2024-10-29 15:23:56,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:56,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:56,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:56,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847354091] [2024-10-29 15:23:56,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847354091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:56,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:56,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 15:23:56,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224572733] [2024-10-29 15:23:56,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:56,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 15:23:56,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:56,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 15:23:56,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:23:56,117 INFO L87 Difference]: Start difference. First operand 691 states and 1282 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:56,201 INFO L93 Difference]: Finished difference Result 703 states and 1293 transitions. [2024-10-29 15:23:56,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 15:23:56,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-29 15:23:56,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:56,208 INFO L225 Difference]: With dead ends: 703 [2024-10-29 15:23:56,209 INFO L226 Difference]: Without dead ends: 689 [2024-10-29 15:23:56,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:23:56,212 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 117 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:56,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 117 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:23:56,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-10-29 15:23:56,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2024-10-29 15:23:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 676 states have (on average 1.8920118343195267) internal successors, (1279), 688 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1279 transitions. [2024-10-29 15:23:56,230 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1279 transitions. Word has length 22 [2024-10-29 15:23:56,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:56,230 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1279 transitions. [2024-10-29 15:23:56,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1279 transitions. [2024-10-29 15:23:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-29 15:23:56,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:56,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:56,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:23:56,231 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-10-29 15:23:56,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:56,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1998489104, now seen corresponding path program 1 times [2024-10-29 15:23:56,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:56,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407216376] [2024-10-29 15:23:56,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:56,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:56,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:56,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407216376] [2024-10-29 15:23:56,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407216376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:56,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:56,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:23:56,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290278836] [2024-10-29 15:23:56,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:56,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:23:56,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:56,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:23:56,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:23:56,667 INFO L87 Difference]: Start difference. First operand 689 states and 1279 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:56,763 INFO L93 Difference]: Finished difference Result 689 states and 1279 transitions. [2024-10-29 15:23:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:23:56,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-29 15:23:56,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:56,767 INFO L225 Difference]: With dead ends: 689 [2024-10-29 15:23:56,767 INFO L226 Difference]: Without dead ends: 671 [2024-10-29 15:23:56,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:23:56,770 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 88 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:56,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 206 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:23:56,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-10-29 15:23:56,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2024-10-29 15:23:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 661 states have (on average 1.8835098335854765) internal successors, (1245), 670 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1245 transitions. [2024-10-29 15:23:56,786 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1245 transitions. Word has length 25 [2024-10-29 15:23:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:56,787 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1245 transitions. [2024-10-29 15:23:56,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,787 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1245 transitions. [2024-10-29 15:23:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-29 15:23:56,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:56,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:56,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:23:56,788 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-10-29 15:23:56,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:56,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1957567684, now seen corresponding path program 1 times [2024-10-29 15:23:56,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:56,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13756249] [2024-10-29 15:23:56,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:56,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:56,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:56,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13756249] [2024-10-29 15:23:56,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13756249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:56,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:56,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:23:56,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589271277] [2024-10-29 15:23:56,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:56,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:23:56,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:56,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:23:56,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:23:56,818 INFO L87 Difference]: Start difference. First operand 671 states and 1245 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:56,837 INFO L93 Difference]: Finished difference Result 693 states and 1278 transitions. [2024-10-29 15:23:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:23:56,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-10-29 15:23:56,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:56,841 INFO L225 Difference]: With dead ends: 693 [2024-10-29 15:23:56,841 INFO L226 Difference]: Without dead ends: 590 [2024-10-29 15:23:56,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:23:56,842 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 40 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:56,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 168 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:23:56,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-10-29 15:23:56,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 586. [2024-10-29 15:23:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 579 states have (on average 1.854922279792746) internal successors, (1074), 585 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1074 transitions. [2024-10-29 15:23:56,853 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1074 transitions. Word has length 35 [2024-10-29 15:23:56,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:56,854 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 1074 transitions. [2024-10-29 15:23:56,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1074 transitions. [2024-10-29 15:23:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-29 15:23:56,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:56,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:56,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:23:56,856 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-10-29 15:23:56,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:56,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1947567396, now seen corresponding path program 1 times [2024-10-29 15:23:56,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:56,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467049447] [2024-10-29 15:23:56,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:56,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-29 15:23:56,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:56,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467049447] [2024-10-29 15:23:56,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467049447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:56,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:56,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 15:23:56,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106720516] [2024-10-29 15:23:56,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:56,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 15:23:56,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:56,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 15:23:56,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:23:56,908 INFO L87 Difference]: Start difference. First operand 586 states and 1074 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:56,940 INFO L93 Difference]: Finished difference Result 586 states and 1074 transitions. [2024-10-29 15:23:56,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 15:23:56,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-29 15:23:56,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:56,943 INFO L225 Difference]: With dead ends: 586 [2024-10-29 15:23:56,943 INFO L226 Difference]: Without dead ends: 504 [2024-10-29 15:23:56,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:23:56,944 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 63 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:56,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 108 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:23:56,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-10-29 15:23:56,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2024-10-29 15:23:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 500 states have (on average 1.846) internal successors, (923), 503 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 923 transitions. [2024-10-29 15:23:56,954 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 923 transitions. Word has length 39 [2024-10-29 15:23:56,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:56,954 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 923 transitions. [2024-10-29 15:23:56,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 923 transitions. [2024-10-29 15:23:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-29 15:23:56,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:56,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:56,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:23:56,957 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-10-29 15:23:56,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash -226547286, now seen corresponding path program 1 times [2024-10-29 15:23:56,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:56,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515166326] [2024-10-29 15:23:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:57,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:57,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515166326] [2024-10-29 15:23:57,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515166326] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 15:23:57,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280022094] [2024-10-29 15:23:57,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:57,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 15:23:57,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:23:57,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 15:23:57,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-29 15:23:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:57,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-29 15:23:57,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 15:23:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:57,367 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 15:23:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:57,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280022094] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 15:23:57,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 15:23:57,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-29 15:23:57,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321103861] [2024-10-29 15:23:57,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 15:23:57,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-29 15:23:57,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:57,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-29 15:23:57,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-29 15:23:57,447 INFO L87 Difference]: Start difference. First operand 504 states and 923 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:57,514 INFO L93 Difference]: Finished difference Result 504 states and 923 transitions. [2024-10-29 15:23:57,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 15:23:57,515 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-10-29 15:23:57,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:57,517 INFO L225 Difference]: With dead ends: 504 [2024-10-29 15:23:57,517 INFO L226 Difference]: Without dead ends: 314 [2024-10-29 15:23:57,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-10-29 15:23:57,520 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 151 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:57,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 168 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:23:57,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-29 15:23:57,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2024-10-29 15:23:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.8146964856230032) internal successors, (568), 313 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 568 transitions. [2024-10-29 15:23:57,530 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 568 transitions. Word has length 42 [2024-10-29 15:23:57,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:57,530 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 568 transitions. [2024-10-29 15:23:57,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 568 transitions. [2024-10-29 15:23:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-29 15:23:57,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:57,535 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:57,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-29 15:23:57,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-29 15:23:57,740 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-10-29 15:23:57,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:57,741 INFO L85 PathProgramCache]: Analyzing trace with hash 414146859, now seen corresponding path program 1 times [2024-10-29 15:23:57,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:57,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487242841] [2024-10-29 15:23:57,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:57,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:23:57,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:23:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:23:57,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:23:57,823 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:23:57,824 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-10-29 15:23:57,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2024-10-29 15:23:57,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-10-29 15:23:57,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-10-29 15:23:57,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-10-29 15:23:57,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-10-29 15:23:57,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-29 15:23:57,837 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:57,838 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:23:57,838 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-29 15:23:57,865 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-29 15:23:57,873 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:23:57,874 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 95 transitions, 206 flow [2024-10-29 15:23:58,162 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12981 states, 12940 states have (on average 2.8338485316846986) internal successors, (36670), 12980 states have internal predecessors, (36670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:58,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:23:58,164 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bb4a9ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:23:58,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-29 15:23:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 12981 states, 12940 states have (on average 2.8338485316846986) internal successors, (36670), 12980 states have internal predecessors, (36670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:23:58,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:58,221 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:58,222 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:23:58,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:58,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1244661627, now seen corresponding path program 1 times [2024-10-29 15:23:58,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:58,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249214073] [2024-10-29 15:23:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:58,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:58,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249214073] [2024-10-29 15:23:58,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249214073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:58,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:58,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:23:58,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909923233] [2024-10-29 15:23:58,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:58,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:23:58,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:58,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:23:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:23:58,283 INFO L87 Difference]: Start difference. First operand has 12981 states, 12940 states have (on average 2.8338485316846986) internal successors, (36670), 12980 states have internal predecessors, (36670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:58,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:58,609 INFO L93 Difference]: Finished difference Result 20138 states and 56567 transitions. [2024-10-29 15:23:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:23:58,610 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-29 15:23:58,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:58,761 INFO L225 Difference]: With dead ends: 20138 [2024-10-29 15:23:58,762 INFO L226 Difference]: Without dead ends: 12539 [2024-10-29 15:23:58,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:23:58,796 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:58,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:23:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12539 states. [2024-10-29 15:23:59,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12539 to 12539. [2024-10-29 15:23:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12539 states, 12502 states have (on average 2.7845944648856182) internal successors, (34813), 12538 states have internal predecessors, (34813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12539 states to 12539 states and 34813 transitions. [2024-10-29 15:23:59,438 INFO L78 Accepts]: Start accepts. Automaton has 12539 states and 34813 transitions. Word has length 22 [2024-10-29 15:23:59,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:59,439 INFO L471 AbstractCegarLoop]: Abstraction has 12539 states and 34813 transitions. [2024-10-29 15:23:59,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 12539 states and 34813 transitions. [2024-10-29 15:23:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:23:59,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:59,440 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:59,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-29 15:23:59,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:23:59,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:59,442 INFO L85 PathProgramCache]: Analyzing trace with hash -2132165308, now seen corresponding path program 1 times [2024-10-29 15:23:59,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:59,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70027083] [2024-10-29 15:23:59,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:59,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:23:59,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:59,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70027083] [2024-10-29 15:23:59,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70027083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:59,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:59,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 15:23:59,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248651236] [2024-10-29 15:23:59,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:59,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 15:23:59,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:59,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 15:23:59,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:23:59,504 INFO L87 Difference]: Start difference. First operand 12539 states and 34813 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:23:59,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:59,830 INFO L93 Difference]: Finished difference Result 12551 states and 34824 transitions. [2024-10-29 15:23:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 15:23:59,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-29 15:23:59,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:59,887 INFO L225 Difference]: With dead ends: 12551 [2024-10-29 15:23:59,887 INFO L226 Difference]: Without dead ends: 12537 [2024-10-29 15:23:59,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:23:59,892 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 108 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:59,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 180 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:23:59,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12537 states. [2024-10-29 15:24:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12537 to 12537. [2024-10-29 15:24:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12537 states, 12500 states have (on average 2.7848) internal successors, (34810), 12536 states have internal predecessors, (34810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:00,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12537 states to 12537 states and 34810 transitions. [2024-10-29 15:24:00,261 INFO L78 Accepts]: Start accepts. Automaton has 12537 states and 34810 transitions. Word has length 22 [2024-10-29 15:24:00,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:00,261 INFO L471 AbstractCegarLoop]: Abstraction has 12537 states and 34810 transitions. [2024-10-29 15:24:00,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 12537 states and 34810 transitions. [2024-10-29 15:24:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-29 15:24:00,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:00,262 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:00,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-29 15:24:00,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:24:00,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:00,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1678879695, now seen corresponding path program 1 times [2024-10-29 15:24:00,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:00,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425291904] [2024-10-29 15:24:00,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:00,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:00,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:00,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425291904] [2024-10-29 15:24:00,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425291904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:00,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:00,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:24:00,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559421604] [2024-10-29 15:24:00,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:00,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:24:00,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:24:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:24:00,507 INFO L87 Difference]: Start difference. First operand 12537 states and 34810 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:00,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:00,676 INFO L93 Difference]: Finished difference Result 12537 states and 34810 transitions. [2024-10-29 15:24:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:24:00,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-29 15:24:00,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:00,724 INFO L225 Difference]: With dead ends: 12537 [2024-10-29 15:24:00,724 INFO L226 Difference]: Without dead ends: 12230 [2024-10-29 15:24:00,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:24:00,733 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 170 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:00,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 304 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:00,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12230 states. [2024-10-29 15:24:00,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12230 to 12230. [2024-10-29 15:24:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12230 states, 12200 states have (on average 2.7822131147540983) internal successors, (33943), 12229 states have internal predecessors, (33943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12230 states to 12230 states and 33943 transitions. [2024-10-29 15:24:01,054 INFO L78 Accepts]: Start accepts. Automaton has 12230 states and 33943 transitions. Word has length 25 [2024-10-29 15:24:01,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:01,054 INFO L471 AbstractCegarLoop]: Abstraction has 12230 states and 33943 transitions. [2024-10-29 15:24:01,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 12230 states and 33943 transitions. [2024-10-29 15:24:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-29 15:24:01,055 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:01,055 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:01,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-29 15:24:01,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:24:01,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:01,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1410162995, now seen corresponding path program 1 times [2024-10-29 15:24:01,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:01,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784586415] [2024-10-29 15:24:01,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:01,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:01,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:01,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784586415] [2024-10-29 15:24:01,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784586415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:01,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:01,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:01,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665034986] [2024-10-29 15:24:01,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:01,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:01,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:01,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:01,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:01,089 INFO L87 Difference]: Start difference. First operand 12230 states and 33943 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:01,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:01,215 INFO L93 Difference]: Finished difference Result 13934 states and 38697 transitions. [2024-10-29 15:24:01,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:01,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-10-29 15:24:01,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:01,363 INFO L225 Difference]: With dead ends: 13934 [2024-10-29 15:24:01,363 INFO L226 Difference]: Without dead ends: 12709 [2024-10-29 15:24:01,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:01,376 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 59 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:01,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 207 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:24:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12709 states. [2024-10-29 15:24:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12709 to 11913. [2024-10-29 15:24:01,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11913 states, 11883 states have (on average 2.7765715728351426) internal successors, (32994), 11912 states have internal predecessors, (32994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11913 states to 11913 states and 32994 transitions. [2024-10-29 15:24:01,982 INFO L78 Accepts]: Start accepts. Automaton has 11913 states and 32994 transitions. Word has length 35 [2024-10-29 15:24:01,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:01,982 INFO L471 AbstractCegarLoop]: Abstraction has 11913 states and 32994 transitions. [2024-10-29 15:24:01,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 11913 states and 32994 transitions. [2024-10-29 15:24:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-29 15:24:01,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:01,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:01,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-29 15:24:01,984 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:24:01,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:01,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1750110091, now seen corresponding path program 1 times [2024-10-29 15:24:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:01,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470176953] [2024-10-29 15:24:01,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-29 15:24:02,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:02,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470176953] [2024-10-29 15:24:02,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470176953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:02,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:02,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 15:24:02,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193290107] [2024-10-29 15:24:02,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:02,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 15:24:02,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:02,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 15:24:02,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:24:02,052 INFO L87 Difference]: Start difference. First operand 11913 states and 32994 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:02,182 INFO L93 Difference]: Finished difference Result 12141 states and 33411 transitions. [2024-10-29 15:24:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 15:24:02,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-29 15:24:02,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:02,222 INFO L225 Difference]: With dead ends: 12141 [2024-10-29 15:24:02,223 INFO L226 Difference]: Without dead ends: 9509 [2024-10-29 15:24:02,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:24:02,232 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 99 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:02,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 188 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:24:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9509 states. [2024-10-29 15:24:02,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9509 to 9379. [2024-10-29 15:24:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9379 states, 9356 states have (on average 2.75502351432236) internal successors, (25776), 9378 states have internal predecessors, (25776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9379 states to 9379 states and 25776 transitions. [2024-10-29 15:24:02,556 INFO L78 Accepts]: Start accepts. Automaton has 9379 states and 25776 transitions. Word has length 39 [2024-10-29 15:24:02,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:02,557 INFO L471 AbstractCegarLoop]: Abstraction has 9379 states and 25776 transitions. [2024-10-29 15:24:02,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 9379 states and 25776 transitions. [2024-10-29 15:24:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-29 15:24:02,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:02,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:02,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-29 15:24:02,558 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:24:02,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:02,559 INFO L85 PathProgramCache]: Analyzing trace with hash -37645542, now seen corresponding path program 1 times [2024-10-29 15:24:02,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:02,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100352564] [2024-10-29 15:24:02,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:02,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:02,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:02,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100352564] [2024-10-29 15:24:02,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100352564] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 15:24:02,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722271489] [2024-10-29 15:24:02,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:02,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 15:24:02,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:24:02,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 15:24:02,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-29 15:24:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:02,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-29 15:24:02,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 15:24:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:02,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 15:24:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:02,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722271489] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 15:24:02,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 15:24:02,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-29 15:24:02,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330991971] [2024-10-29 15:24:02,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 15:24:02,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-29 15:24:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:02,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-29 15:24:02,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-29 15:24:02,938 INFO L87 Difference]: Start difference. First operand 9379 states and 25776 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:03,086 INFO L93 Difference]: Finished difference Result 9379 states and 25776 transitions. [2024-10-29 15:24:03,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-29 15:24:03,087 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-10-29 15:24:03,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:03,108 INFO L225 Difference]: With dead ends: 9379 [2024-10-29 15:24:03,108 INFO L226 Difference]: Without dead ends: 5518 [2024-10-29 15:24:03,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-10-29 15:24:03,119 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 435 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:03,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 427 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:03,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2024-10-29 15:24:03,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 5518. [2024-10-29 15:24:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5518 states, 5514 states have (on average 2.7734856728327895) internal successors, (15293), 5517 states have internal predecessors, (15293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5518 states to 5518 states and 15293 transitions. [2024-10-29 15:24:03,279 INFO L78 Accepts]: Start accepts. Automaton has 5518 states and 15293 transitions. Word has length 42 [2024-10-29 15:24:03,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:03,280 INFO L471 AbstractCegarLoop]: Abstraction has 5518 states and 15293 transitions. [2024-10-29 15:24:03,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5518 states and 15293 transitions. [2024-10-29 15:24:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-29 15:24:03,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:03,282 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:03,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-29 15:24:03,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-29 15:24:03,483 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:24:03,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:03,484 INFO L85 PathProgramCache]: Analyzing trace with hash -678681733, now seen corresponding path program 1 times [2024-10-29 15:24:03,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:03,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724543742] [2024-10-29 15:24:03,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:03,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-29 15:24:03,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:03,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724543742] [2024-10-29 15:24:03,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724543742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:03,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:03,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:03,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453336261] [2024-10-29 15:24:03,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:03,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:03,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:03,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:03,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:03,520 INFO L87 Difference]: Start difference. First operand 5518 states and 15293 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:03,560 INFO L93 Difference]: Finished difference Result 6076 states and 16846 transitions. [2024-10-29 15:24:03,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:03,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-10-29 15:24:03,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:03,583 INFO L225 Difference]: With dead ends: 6076 [2024-10-29 15:24:03,583 INFO L226 Difference]: Without dead ends: 5752 [2024-10-29 15:24:03,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:03,586 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 34 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:03,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 139 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:24:03,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5752 states. [2024-10-29 15:24:03,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5752 to 5464. [2024-10-29 15:24:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5464 states, 5461 states have (on average 2.7679912104010254) internal successors, (15116), 5463 states have internal predecessors, (15116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5464 states to 5464 states and 15116 transitions. [2024-10-29 15:24:03,694 INFO L78 Accepts]: Start accepts. Automaton has 5464 states and 15116 transitions. Word has length 52 [2024-10-29 15:24:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:03,694 INFO L471 AbstractCegarLoop]: Abstraction has 5464 states and 15116 transitions. [2024-10-29 15:24:03,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 5464 states and 15116 transitions. [2024-10-29 15:24:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-29 15:24:03,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:03,698 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:03,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-29 15:24:03,698 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:24:03,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:03,698 INFO L85 PathProgramCache]: Analyzing trace with hash -815340813, now seen corresponding path program 1 times [2024-10-29 15:24:03,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:03,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390489308] [2024-10-29 15:24:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:03,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:03,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:03,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390489308] [2024-10-29 15:24:03,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390489308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:03,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:03,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 15:24:03,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598464207] [2024-10-29 15:24:03,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:03,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:03,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:03,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:03,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:03,791 INFO L87 Difference]: Start difference. First operand 5464 states and 15116 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:03,912 INFO L93 Difference]: Finished difference Result 7192 states and 19700 transitions. [2024-10-29 15:24:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:03,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-10-29 15:24:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:03,927 INFO L225 Difference]: With dead ends: 7192 [2024-10-29 15:24:03,928 INFO L226 Difference]: Without dead ends: 3106 [2024-10-29 15:24:03,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:03,933 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 22 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:03,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 117 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:24:03,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2024-10-29 15:24:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3106. [2024-10-29 15:24:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 3105 states have (on average 2.5394524959742353) internal successors, (7885), 3105 states have internal predecessors, (7885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 7885 transitions. [2024-10-29 15:24:03,977 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 7885 transitions. Word has length 60 [2024-10-29 15:24:03,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:03,981 INFO L471 AbstractCegarLoop]: Abstraction has 3106 states and 7885 transitions. [2024-10-29 15:24:03,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 7885 transitions. [2024-10-29 15:24:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-29 15:24:03,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:03,983 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:03,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-29 15:24:03,983 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-29 15:24:03,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:03,984 INFO L85 PathProgramCache]: Analyzing trace with hash 282277986, now seen corresponding path program 1 times [2024-10-29 15:24:03,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:03,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087237727] [2024-10-29 15:24:03,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:03,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:24:04,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:24:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:24:04,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:24:04,021 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:24:04,021 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-10-29 15:24:04,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-29 15:24:04,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-10-29 15:24:04,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-29 15:24:04,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-29 15:24:04,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-29 15:24:04,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-29 15:24:04,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-29 15:24:04,022 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:04,023 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:24:04,023 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-29 15:24:04,037 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-29 15:24:04,038 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:24:04,040 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 113 transitions, 253 flow [2024-10-29 15:24:09,900 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 227793 states, 227682 states have (on average 3.7385651918026017) internal successors, (851204), 227792 states have internal predecessors, (851204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:09,902 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:24:09,904 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bb4a9ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:24:09,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-29 15:24:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 227793 states, 227682 states have (on average 3.7385651918026017) internal successors, (851204), 227792 states have internal predecessors, (851204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:24:10,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:10,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:10,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-29 15:24:10,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:10,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1840649475, now seen corresponding path program 1 times [2024-10-29 15:24:10,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:10,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240600377] [2024-10-29 15:24:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:10,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:10,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:10,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240600377] [2024-10-29 15:24:10,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240600377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:10,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:10,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:10,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861523549] [2024-10-29 15:24:10,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:10,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:24:10,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:10,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:24:10,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:24:10,633 INFO L87 Difference]: Start difference. First operand has 227793 states, 227682 states have (on average 3.7385651918026017) internal successors, (851204), 227792 states have internal predecessors, (851204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:15,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:15,495 INFO L93 Difference]: Finished difference Result 356704 states and 1324351 transitions. [2024-10-29 15:24:15,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:24:15,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-29 15:24:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:18,697 INFO L225 Difference]: With dead ends: 356704 [2024-10-29 15:24:18,697 INFO L226 Difference]: Without dead ends: 224215 [2024-10-29 15:24:18,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:24:18,934 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:18,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:24:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224215 states. [2024-10-29 15:24:27,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224215 to 224215. [2024-10-29 15:24:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224215 states, 224112 states have (on average 3.6908599271792677) internal successors, (827166), 224214 states have internal predecessors, (827166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224215 states to 224215 states and 827166 transitions. [2024-10-29 15:24:29,542 INFO L78 Accepts]: Start accepts. Automaton has 224215 states and 827166 transitions. Word has length 22 [2024-10-29 15:24:29,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:29,543 INFO L471 AbstractCegarLoop]: Abstraction has 224215 states and 827166 transitions. [2024-10-29 15:24:29,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 224215 states and 827166 transitions. [2024-10-29 15:24:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:24:29,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:29,544 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:29,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-29 15:24:29,544 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-29 15:24:29,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1840619684, now seen corresponding path program 1 times [2024-10-29 15:24:29,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:29,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081797388] [2024-10-29 15:24:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:29,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:29,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:29,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081797388] [2024-10-29 15:24:29,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081797388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:29,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:29,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 15:24:29,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940326822] [2024-10-29 15:24:29,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:29,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 15:24:29,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 15:24:29,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:24:29,574 INFO L87 Difference]: Start difference. First operand 224215 states and 827166 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:24:32,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:32,469 INFO L93 Difference]: Finished difference Result 224227 states and 827177 transitions. [2024-10-29 15:24:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 15:24:32,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-29 15:24:32,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:34,108 INFO L225 Difference]: With dead ends: 224227 [2024-10-29 15:24:34,108 INFO L226 Difference]: Without dead ends: 224213 [2024-10-29 15:24:34,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 15:24:34,181 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 158 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:34,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 210 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:24:34,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224213 states.